body {
    font-family: 'Lucida Console', Monaco, monospace;
    background-color: honeydew;
    color: black;
}

h1, h2, h3, p {
    text-align: center;
}

input {
    display: inline-block;
}

.center {
    width: 50%;
    margin: 0 auto;

    display: flex;
    justify-content: center;
    align-items: center;
}

.space {
    margin: 5px;
}

.hidden {
    display: none !important;
}